v3.26.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Billions
3 Months Ended
Jul. 31, 2026
Jan. 31, 2026
Jul. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Outstanding payment obligation $ 6.4 $ 6.0 $ 5.7
Unrecognized tax benefits, reduction resulting from lapse of applicable statute of limitations 0.4    
Unrecognized tax benefits, reduction in interest on income tax expense $ 0.5